FrostDateCheck

Brookhaven, MS 39629 Frost Dates

Frost dates for Brookhaven, MS, ZIP 39629

Zone 8b

The last spring frost here typically falls around 03/17, about 201 days from today. The first fall frost typically arrives around 11/12, about 242 frost-free days later.

Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Brookhaven, not a forecast for this year.

What to do before the first frost

Zone 8b around Brookhaven has about 11 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Brookhaven's last frost

03/17 is the middle of 30 years of NOAA records, not a promise. Plant by 02/22 and you're betting against frost in roughly 9 years out of 10. 04/07 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Brookhaven compares

At roughly 242 frost-free days, Brookhaven places 8,361 of 40,283 ZIP codes in this dataset. Within MS, it ranks 235 of 523.

Learn more

local microclimates explains what one yard in Brookhaven can differ from the 39629 normal, and zone vs. frost date explains why Zone 8b and Brookhaven's frost date answer different questions.